LMH2180 - 75 MHz 双路时钟缓冲器

LMH2180是TI德州仪器公司的一款单端产品，LMH2180是75 MHz 双路时钟缓冲器，本站介绍了LMH2180的封装应用图解、特点和优点、功能等，并给出了与LMH2180相关的TI元器件型号供参考。

LMH2180 - 75 MHz 双路时钟缓冲器 - 单端 - 时钟缓冲器 - 德州仪器

产品描述

The LMH2180 is a high speed dual clock buffer designed for portable communications and applications requiring multiple accurate multi-clock systems. The LMH2180 integrates two 75 MHz low noise buffers with independent shutdown pins into a small package. The LMH2180 ensures superb system operation between the baseband and the oscillator signal path by eliminating crosstalk between the multiple clock signals.

Unique technology and design provides the LMH2180 with the ability to accurately drive both large capacitive and resistive loads. Low supply current combined with shutdown pins for each channel means the LMH2180 is ideal for battery powered applications. This part does not use an internal ground reference, thus providing additional system flexibility.

The flexible buffers provide system designers the capacity to manage complex clock signals in the latest wireless applications. Each buffer delivers 106 V/μs internal slew rate with independent shutdown and duty cycle precision. Each input is internally biased to 1V, removing the need for external resistors. Both channels have rail-to-rail inputs and outputs, a gain of one, and are AC coupled with the use of one capacitor.

Replacing a discrete buffer solution with the LMH2180 provides many benefits: simplified board layout, minimized parasitic components, simplified BOM, design durability across multiple applications, simplification of clock paths, and the ability to reduce the number of clock signal generators in the system. The LMH2180 is produced in the tiny packages minimizing the required PCB space.

产品特性

(Typical Values are: VSUPPLY = 2.7V and CL = 10 pF, unless Otherwise Specified.)
Small Signal Bandwidth 78 MHz
Supply Voltage Range 2.4V to 5V
Phase Noise (VIN = 1 VPP, fC = 38.4 MHz, Δf = 1 kHz) −123 dBc/Hz
Slew Rate 106 V/μs
Total Supply Current 2.3 mA
Shutdown Current 30 µA
Rail-to-Rail Input and Output
Individual Buffer Enable Pins
Rapid Ton Technology
Crosstalk Rejection Circuitry
Packages:
- 8-Pin WSON, Solder Bump and no Pullback
- 8-Bump DSBGA
Temperature Range −40°C to 85°C

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